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CVE-2016-6296

Published: 25 July 2016

Integer signedness error in the simplestring_addn function in simplestring.c in xmlrpc-epi through 0.54.2, as used in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9, allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a long first argument to the PHP xmlrpc_encode_request function.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
php7.0
Launchpad, Ubuntu, Debian
xenial
Released (7.0.8-0ubuntu0.16.04.2)
precise Does not exist

trusty Does not exist

upstream
Released (7.0.9)
wily Does not exist

Patches:

upstream: http://git.php.net/?p=php-src.git;a=commit;h=e6c48213c22ed50b2b987b479fcc1ac709394caa
xmlrpc-epi
Launchpad, Ubuntu, Debian
precise
Released (0.54.2-1+deb7u1ubuntu0.12.04.1)
trusty
Released (0.54.2-1+deb7u1ubuntu0.14.04.2)
upstream Needs triage

wily Ignored
(end of life)
xenial
Released (0.54.2-1.1ubuntu0.1)
php5
Launchpad, Ubuntu, Debian
precise
Released (5.3.10-1ubuntu3.24)
trusty
Released (5.5.9+dfsg-1ubuntu4.19)
upstream Needs triage

wily Ignored
(end of life)
xenial Does not exist

Patches:
upstream: http://git.php.net/?p=php-src.git;a=commit;h=e6c48213c22ed50b2b987b479fcc1ac709394caa

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H